CN105418876A - High-elasticity engine intake manifold - Google Patents
High-elasticity engine intake manifold Download PDFInfo
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- CN105418876A CN105418876A CN201510861991.7A CN201510861991A CN105418876A CN 105418876 A CN105418876 A CN 105418876A CN 201510861991 A CN201510861991 A CN 201510861991A CN 105418876 A CN105418876 A CN 105418876A
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- intake manifold
- polyurethane elastomer
- ptmg
- dibasic alcohol
- arm
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3802—Low-molecular-weight compounds having heteroatoms other than oxygen having halogens
- C08G18/3814—Polyamines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
- C08G18/4269—Lactones
- C08G18/4277—Caprolactone and/or substituted caprolactone
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/69—Polymers of conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/69—Polymers of conjugated dienes
- C08G18/696—Polymers of conjugated dienes containing heteroatoms other than oxygen and other than the heteroatoms of copolymerised vinyl monomers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/104—Intake manifolds
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention provides a high-elasticity engine intake manifold which comprises an engine air-inlet air throttle, an intake manifold resonant cavity, multiple intake manifold branch pipes and a connection flange, wherein the intake manifold branch pipes are made from a polyurethane elastomer; and the polyurethane elastomer comprises the following components: polytetrahydrofuran diol, polycaprolactone diol, hydroxyl-terminated acrylonitrile butadiene rubber, hydroxyl-terminated polybutadiene, an Isonal curing agent, TMP, THEIC(tris-hydroxyethyl isocyanurate), toluene diisocynate, MOCA and dibutyltin dilaurate. According to the high-elasticity engine intake manifold provided by the invention, the branch pipes are made from the polyurethane elastomer, the flexing number is over 200,000, the overall reliability of the equipment is further improved, and the service life of the equipment is further prolonged.
Description
Technical field
The present invention relates to auto parts machinery field, particularly a kind of motor intake manifold.
Background technology
In China, the development of automobile industry and plastic manufacturing process is advanced by leaps and bounds, the engine fittings that metal makes are replaced by the engine fittings of the plastic production taking intake manifold as representative gradually, as one of the parts of engine most critical, intake manifold achieves in automobile industry and applies widely, its Core Feature is for each cylinder of engine provides full and uniform gas mixture, is the key factor affecting engine forces and oil consumption.
Each arm of motor intake manifold needs good flexural property, to adapt to the oil-gas jetting of high strength, also directly determines the work-ing life of motor intake manifold entirety its work-ing life.
Therefore, how to replace existing metal to make motor intake manifold with suitable plastic material, be current problem demanding prompt solution.
Summary of the invention
For solving above-mentioned the deficiencies in the prior art, the present invention proposes a kind of snappiness motor intake manifold.
Technical scheme of the present invention is achieved in that
A kind of snappiness motor intake manifold, comprise engine intake air throttle 1, intake manifold resonator cavity 2, multiple intake manifold arm 3 and joint flange 4, each intake manifold arm 3 upper end air throttle 1 is communicated with intake manifold resonator cavity 2, each air outlet, intake manifold arm 3 bottom is connected with each cylinder head respectively by joint flange 4, also comprise gas rail 5 and multiple gas rail connecting branch 6, gas rail connecting branch 6 and intake manifold arm 3 one_to_one corresponding, gas rail 5 is communicated with the lower end of each intake manifold arm 3 by gas rail connecting branch 6;
Described air throttle 1, intake manifold resonator cavity 2 are made up of polyurethane elastomer, this polyurethane elastomer contains following component and weight part: PTMG dibasic alcohol (PTMG), poly-own Inner ester dibasic alcohol (PCL), terminal hydroxy group nitrile rubber, hydroxy-terminated polybutadienes, Isonal solidifying agent, TMP, Sai Ke, tolylene diisocyanate (TDI-100), 3, chloro-4, the 4-diaminodiphenyl-methanes (MOCA) of 3-bis-, dibutyl tin laurate (T-12);
Described intake manifold arm (3) comprising: interior glue (30), enhancement Layer (20), outer glue (10), and interior glue is polyurethane elastomer, and enhancement Layer is aramid fiber litzendraht, and outer glue is epichlorohydrin rubber; Described polyurethane elastomer contains following component: PTMG dibasic alcohol (PTMG), poly-own Inner ester dibasic alcohol (PCL), terminal hydroxy group nitrile rubber, hydroxy-terminated polybutadienes, Isonal solidifying agent, TMP, Sai Ke, tolylene diisocyanate (TDI-100), 3, chloro-4, the 4-diaminodiphenyl-methanes (MOCA) of 3-bis-, dibutyl tin laurate (T-12).
Alternatively, the processing mode of described polyurethane elastomer is casting type.
Alternatively, described PTMG dibasic alcohol, hydroxyl value 107 ~ 118mgKOH/g.
Alternatively, described tolylene diisocyanate, purity is greater than 99.5%.
The invention has the beneficial effects as follows:
(1) have good physics, chemical property, dielectric properties are good;
(2) intake manifold arm subdue number of times up to more than 20 ten thousand times, improve further reliability and the work-ing life of Whole Equipment.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the Facad structure schematic diagram of a kind of snappiness motor intake manifold of the present invention.
Fig. 2 is that in Fig. 1, intake manifold arm partly cuts open structural representation.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, a kind of snappiness motor intake manifold of the present invention, comprise engine intake air throttle 1, intake manifold resonator cavity 2, multiple intake manifold arm 3 and joint flange 4, each intake manifold arm 3 upper end air throttle 1 is communicated with intake manifold resonator cavity 2, each air outlet, intake manifold arm 3 bottom is connected with each cylinder head respectively by joint flange 4, also comprise gas rail 5 and multiple gas rail connecting branch 6, gas rail connecting branch 6 and intake manifold arm 3 one_to_one corresponding, gas rail 5 is communicated with the lower end of each intake manifold arm 3 by gas rail connecting branch 6.
Described air throttle 1, intake manifold resonator cavity 2 are made up of polyurethane elastomer, this polyurethane elastomer contains following component and weight part: PTMG dibasic alcohol (PTMG), poly-own Inner ester dibasic alcohol (PCL), terminal hydroxy group nitrile rubber, hydroxy-terminated polybutadienes, Isonal solidifying agent, TMP, Sai Ke, tolylene diisocyanate (TDI-100), 3, chloro-4, the 4-diaminodiphenyl-methanes (MOCA) of 3-bis-, dibutyl tin laurate (T-12).
Fig. 2 is half planing surface figure of intake manifold manifold configuration of the present invention, and described intake manifold arm 3 is rubber oil-resistant pipe, comprising: interior glue 30, enhancement Layer 20, outer glue 10, and interior glue is polyurethane elastomer, and enhancement Layer is aramid fiber litzendraht, and outer glue is epichlorohydrin rubber.
Described polyurethane elastomer contains following component: PTMG dibasic alcohol (PTMG), poly-own Inner ester dibasic alcohol (PCL), terminal hydroxy group nitrile rubber, hydroxy-terminated polybutadienes, Isonal solidifying agent, TMP, Sai Ke, tolylene diisocyanate (TDI-100), 3, chloro-4, the 4-diaminodiphenyl-methanes (MOCA) of 3-bis-, dibutyl tin laurate (T-12).
PTMG dibasic alcohol (PTMG)
White waxy solid, can become transparent liquid when temperature exceedes room temperature.Soluble in alcohol, ester, ketone, aromatic hydrocarbons and chlorinated hydrocarbon, be insoluble to aliphatic hydrocarbon and water.When molecular weight increases, solubleness can reduce.At room temperature, PTMG has water-absorbent.Its water-absorbent depends on the size of molecular weight, the moisture of Absorbable rod 2% time the highest.
PTMG dibasic alcohol of the present invention, hydroxyl value 107 ~ 118mgKOH/g.
Tolylene diisocyanate (TDI-100)
Tolylene diisocyanate be water white transparency to weak yellow liquid, irritant smell; Chance light color deepens.Molecular formula C9-H6-N2-O2.Molecular weight 174.16.Relative density 1.22 ± 0.01 (25 DEG C).3.5 ~ 5.5 DEG C, zero pour (TDI-65); 11.5 ~ 13.5 DEG C (TDI-80); 19.5 ~ 21.5 DEG C.Boiling point 251 DEG C.Flash-point 132 DEG C.Vapour density 6.0.Vapour pressure 0.13kPa (0.01mmHg20 DEG C).Steam and the flammable limit 0.9 ~ 9.5% of air mixture.Water insoluble; Be dissolved in acetone, ethyl acetate and toluene etc.Easily with the compound including reactive hydrogen atom: amine, water, alcohol, acid, alkali react, and are particularly difficult to sodium hydroxide and tertiary amine control to react, and release large calorimetric.React with water that to generate carbonic acid gas be one of committed step in urethane foam manufacturing processed.
Preferably, described tolylene diisocyanate (TDI-100), purity is greater than 99.5%.
Other synthesize component: poly-own Inner ester dibasic alcohol (PCL), hydroxy'terminated butadiene nitrile rubber, hydroxy-terminated polybutadienes, Isonal solidifying agent, TMP, Sai Ke, 3,3-bis-chloro-4,4-diaminodiphenyl-methane (MOCA), dibutyl tin laurate (T-12), be marketable material.
Below in conjunction with specific embodiment, set forth the present invention further.The experimental technique of unreceipted actual conditions in the following example, measures according to national standard usually.If there is no corresponding national standard, then according to general international standard, normal condition or carry out according to the condition that manufacturer advises.Unless otherwise indicated, otherwise all numbers are weight part, and all per-cent is weight percentage, and described polymericular weight is number-average molecular weight.
Unless otherwise defined or described herein, all specialties used herein and scientific words and those skilled in the art the same meaning be familiar with.In addition any method similar or impartial to described content and material all can be applicable in the inventive method.
The synthesis process of polyurethane elastomer is as follows:
To have agitator, thermometer, vacuum interface 500ml there-necked flask in add quantitative polyvalent alcohol, be warming up to 100 ~ 110 DEG C, vacuum hydro-extraction 2.5h (to quality mark in polyvalent alcohol lower than 0.01%), stops after being then cooled to 50 ~ 60 DEG C vacuumizing; Add the TDI-100 measured, rapid stirring, after temperature-stable, slowly heat up and control to be 80 ~ 85 DEG C, after question response is complete, vacuum outgas 0.5h, sealing is preserved stand-by; Take quantitative polyurethane prepolymer, then add appropriate solidifying agent, and add a little T-12 catalyzer, the mould of falling people after stirring rapidly, matched moulds immediately after gelatin phenomenon to appear.Shaping 1h is reacted at 10MPa pressure 120 DEG C; Test piece after the demoulding is constant temperature 10h in the baking oven of 100 DEG C, parks 5d after taking-up, can cut-parts test.
The mechanical property of polyurethane elastomer: 1. determine that-NCO content is 6%, solidify with MOCA, the proportioning changing polyvalent alcohol PTMG and PCL studies their impacts on Mechanical Properties of Polyurethane Elastomers: when the increase of PCL content, intermolecular mutual attractive force becomes large relatively, the hydrogen bond formed between ester group with hard section carbamate groups is relative to be increased, hard section ordered structure is caused also to increase, the increase such as tensile strength, tear strength.2. determine that-NCO content is 6%, change the proportioning of MOCA and ISONAL and study their impacts on Mechanical Properties of Polyurethane Elastomers: the tensile strength of polyurethane elastomer and tear strength increase with the increase of MOCA content.3.-NCO content is 6%, PTMG: terminal hydroxy group nitrile rubber=8:2, when changing proportioning (MOCA:ISONAL=1:3,1:1,3:1) of chainextender MOCA:ISONAL, observe material to subdue and compression heat generation situation: along with the increase of chainextender MOCA ratio, polyurethane elastomer is subdued number of times and obviously reduced.4.-NCO content is 6%, and chainextender consumption is certain, changes polyvalent alcohol proportioning, observes material and subdues situation: along with the increase of PCL ratio, and polyurethane elastomer flexural property also becomes large thereupon.As PTMG:PCL=8:2, subdue number of times up to more than 20 ten thousand times.
Snappiness motor intake manifold of the present invention adopts polyurethane elastomer to make, and has good physics, chemical property, subdues number of times up to more than 20 ten thousand times, improves the reliability of overall equipment further.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a snappiness motor intake manifold, it is characterized in that, comprise engine intake air throttle (1), intake manifold resonator cavity (2), multiple intake manifold arm (3) and joint flange (4), each intake manifold arm (3) upper end air throttle (1) is communicated with intake manifold resonator cavity (2), each intake manifold arm (3) air outlet, bottom is connected with each cylinder head respectively by joint flange (4), also comprise gas rail (5) and multiple gas rail connecting branch (6), gas rail connecting branch (6) and intake manifold arm (3) one_to_one corresponding, gas rail (5) is communicated with by the lower end of gas rail connecting branch (6) with each intake manifold arm (3),
Described air throttle (1), intake manifold resonator cavity (2) are made up of polyurethane elastomer, this polyurethane elastomer contains following component and weight part: PTMG dibasic alcohol (PTMG), poly-own Inner ester dibasic alcohol (PCL), terminal hydroxy group nitrile rubber, hydroxy-terminated polybutadienes, Isonal solidifying agent, TMP, Sai Ke, tolylene diisocyanate (TDI-100), 3, chloro-4, the 4-diaminodiphenyl-methanes (MOCA) of 3-bis-, dibutyl tin laurate (T-12);
Described intake manifold arm (3) comprising: interior glue (30), enhancement Layer (20), outer glue (10); Interior glue is polyurethane elastomer, and enhancement Layer is aramid fiber litzendraht, and outer glue is epichlorohydrin rubber;
Described polyurethane elastomer contains following component: PTMG dibasic alcohol (PTMG), poly-own Inner ester dibasic alcohol (PCL), terminal hydroxy group nitrile rubber, hydroxy-terminated polybutadienes, Isonal solidifying agent, TMP, Sai Ke, tolylene diisocyanate (TDI-100), 3, chloro-4, the 4-diaminodiphenyl-methanes (MOCA) of 3-bis-, dibutyl tin laurate (T-12).
2. snappiness motor intake manifold according to claim 1, is characterized in that, its processing mode is casting type.
3. snappiness motor intake manifold according to claim 1, is characterized in that, described PTMG dibasic alcohol, hydroxyl value 107 ~ 118mgKOH/g.
4. snappiness motor intake manifold according to claim 1, is characterized in that, described tolylene diisocyanate, purity is greater than 99.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510861991.7A CN105418876A (en) | 2015-11-30 | 2015-11-30 | High-elasticity engine intake manifold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510861991.7A CN105418876A (en) | 2015-11-30 | 2015-11-30 | High-elasticity engine intake manifold |
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| Publication Number | Publication Date |
|---|---|
| CN105418876A true CN105418876A (en) | 2016-03-23 |
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| CN201510861991.7A Withdrawn CN105418876A (en) | 2015-11-30 | 2015-11-30 | High-elasticity engine intake manifold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105440247A (en) * | 2015-12-09 | 2016-03-30 | 青岛玻莱莫斯新材料技术有限公司 | High elasticity intake manifold resonant cavity |
-
2015
- 2015-11-30 CN CN201510861991.7A patent/CN105418876A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105440247A (en) * | 2015-12-09 | 2016-03-30 | 青岛玻莱莫斯新材料技术有限公司 | High elasticity intake manifold resonant cavity |
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Application publication date: 20160323 |